Resideo's Innovation Team is looking for a Principal Firmware Engineer who is eager to create the next generation of smart home devices and has end-to-end design and development experience on RTOS platforms. Ideally, you will possess expertise in Ultra-Wideband (UWB), WiFi, Bluetooth, audio processing, and over-the-air (OTA) update capabilities. Your RTOS experience will be complemented by a strong foundation in embedded Linux and system programming, equipping you to contribute to a wide variety of future projects. In this position you will work independently on firmware design and development within a cross-functional team of highly skilled hardware, mobile, and cloud engineers tasked with producing robust end-to-end demos that push the boundaries of what’s possible in the smart home. **JOB DUTIES:** + Design and implement robust firmware for RTOS-based IoT devices + Integrate wireless communications such as WiFi, Bluetooth and higher-level messaging protocols + Deliver complex firmware applications based on cutting-edge sensing modalities such as UWB + Use tools like oscilloscopes and logic analyzers to debug hardware + Collaborate with hardware, mobile, and cloud teams + Ensure security, power efficiency, and OTA readiness + Test, validate, and document firmware for production **YOU MUST HAVE:** + 7+ years of embedded systems experience, including strong professional experience with Embedded Linux and system programming + 5+ years of experience in designing and implementing firmware for IoT devices based on RTOS platforms (FreeRTOS, QNX, or similar) + Proven ability to actively lead the development of device drivers, boot loaders, kernel software, and user applications + Wireless stack development experience (WiFi, BT/BLE) + Ability to debug hardware and collaborate with hardware teams **WE VALUE:** + Experience with UWB and/or audio signal processing + Familiarity with cross-functional product delivery + Calm thinking under pressure and field conditions + A strong understanding and practical experience with version control systems and CI/CD pipelines + Excellent problem-solving and analytical skills + Strong attention to detail and commitment to quality + Effective communication and collaboration skills + Ability to work independently within a cross-functional team environment **WHAT'S IN FOR YOU:** + Competitive salary and benefits package including health insurance and Employee Assistance Plan + Hybrid working arrangement + Corporate social events and team building + Food and drinks: Free use of coffee machines, free fruit and snacks + Well-equipped office \#LI-HYBRID Resideo is a $6.76 billion global manufacturer, developer, and distributor of technology-driven sensing and control solutions that help homeowners and businesses stay connected and in control of their comfort, security, energy use, and smart living. We focus on the professional channel, serving over 100,000 contractors, installers, dealers, and integrators across the HVAC, security, fire, electrical, and home comfort markets. Our products are found in more than 150 million residential and commercial spaces worldwide, with tens of millions of new devices sold annually. Trusted brands like Honeywell Home, First Alert, and Resideo power connected living for over 12.8 million customers through our Products & Solutions segment. Our ADI | Snap One segment spans 200+ stocking locations in 17 countries, offering a catalog of over 500,000 products from more than 1,000 manufacturers. With a global team of more than 14,000 employees, we offer the opportunity to make a real impact in a fast-growing, purpose-driven industry. Learn more at [www.resideo.com](http://www.resideo.com/). At Resideo, we bring together diverse individuals to build the future of homes. Resideo is an equal opportunity employer. Qualified applicants will be considered without regard to age, race, creed, color, national origin, ancestry, marital status, affectional or sexual orientation, gender identity or expression, disability, nationality, sex, religion, or veteran status. For more information on applicable U.S. equal employment regulations, refer to the ["EEO is the Law" poster](https://www.resideo.com/us/en/-/media/Resideo/Files/Corporate/Careers/EEO%20is%20the%20Law%20poster.pdf?rv=fdc492d184344b3ea4aec0c96b321632), ["EEO is the Law" Supplement Poster ](https://www.resideo.com/us/en/-/media/Resideo/Files/Corporate/Careers/EEO%20is%20the%20Law%20Supplement%20Poster.pdf?rv=ebe367cad846443e8fa5aa86062813b6)and the [Pay Transparency Nondiscrimination Provision](https://www.resideo.com/us/en/-/media/Resideo/Files/Corporate/Careers/Pay%20Transparency%20Nondiscrimination%20Provision.pdf?rv=11a9cf6533ba426296b137d906b0ce01). 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